3-layer insulation design: The inner layer is aluminum film, which keeps food fresh and warm. The middle material is thick soft foam that makes the insulation more effective. The outer layer is 300D Oxford cloth, which is durable, wear-resistant and tear-resistant.ZEALED Design: The inner bag chamber is completely sealed by the insulating layer, and the splicing is designed with edging, no thread is exposed, it is not easy to damage the insulating layer, and the insulation of hot and cold food is more durable.MORE UNIQUE DETAILS: Pockets included to store your keys or phone. Sturdy nylon handle with a stress-relieving design, 2-way zipper seals the bag easily, perfect for grocery shopping, picnics, meal delivery bags, beach parties, camping, hiking, concerts, and more.2 Ways to Carry: Elegant appearance, easy to carry, side pocket with button design. You can turn it into a square bag for a hand or shoulder bag (make sure the straps are the right length for your shoulders).Large size: 56*34*39cm